Setts



(No Model.)

- G. CROMPTO-N 8a E. WYMAN;

MECHANICAL MOVEMENT.

No. 339,620. Patented Apr. 13, i886l N. Passa mwmwwpm wuningm ac.

UNiTen STnTns FnTnNT Orrrcn,

GEORGE CROMPTON AND HORACE VYMAN, OF WYO'RCESTER, WASSACHD SETTS,ASSIGNORS TO SAID GEORGE OROMPTON. l

MECHANICAL MOVEMENT.

SPECIFICATION forming part of Letters Patent No. 339,620, dated April13, 1886.

Application filed January 22. 1856. Serial No. l5/19,436. (No model.)

To @ZZ whom t may con/cern.-

Be it known that we, GEORGE CnoMr'r-ON and HORACE WYMAN, both ofWorcester, county of Vforcester, and State of Massachusetts, haveinvented an Improvement in Mechanical Movements, of which the followingdescription, in connection with the accompanying drawings, is aspecification, like letters on the drawings representing like parts.

This invention has for its object the production of a mechanicalmovement whereby a main lever may have one of its endsrplaeed in sixdifferent positions and be retained in any one of its said positions,the end of said lever being readily movable from any one to any otherofthe said six positions, the movementofthe end of the said lever fromany one to any other of its six positions being made in the saine time.

In this invention a main lever of the first order has its `fulcrum uponacrosshar, the opposite sides of which have joined to it links, which attheir other ends are jointed to levers of the Yfirst order, (preferablyelbow-levers) in turn attached to connecting-rods actuated by crank-pinsof toot-hed Wheels, the rear end of the said main lever having joined toit a link which is in turn joined to an elbowlever jointed to aconnectingrod actuated by the crank-pin of a semi-rotating Wheel.

The particular features in which this inven tion consist will behereinafter describethand pointed out in the claim at the end ol' thisspecification.

Figure l in elevation represents a mechanical movement embodying thisinvention; Fig.

2, a top or plan view thereof; and Figs. 3 to S, inclusive, are diagramsshowing dilierent portions of the main lever.

The frame A, supposed to be part ol the frame oi a machine in which themechanical movement herein to be described is employed, has a stud, Af,upon which are placed Wheels def, each provided with a crank-pin. llheseWheels in practice will be toothed at their peripheries, and will beturned a semirotation in one and then in the opposite direction at thedesired time by means of long gears, substantially such as described inUnited States Patent No. 281,842, dated July 24, 1883, to whichreference may be had. The crankpin of the wheel d has attached to it a.Connecting rod, d', which is jointed to a lever, d, pivoted at '7. Thecrank-pin of the Wheel e is provided with a connectingrod, e', which is`pivoted to a lever, c?, having its fulcru n1 at 7. The crank-pin oftheWheel f has a connecting-rod,f, which is jointed to a lever, f2, pivotedatfa. One end oi the lever e has attached to it a link, g, and

one end of the lever f2 has attached to it a link, g. The opposite endsof the said links` g g support a cross-bar, g3, having a fulcrunistud,gi', upon which is mounted the main lever Iz, a lever ofthe tirst order,the rear end of the said lever having jointed to it at 8 a link, it',which in turn is joined at its other end to one end of the elhow-leverd?.

As herein shown, the outer end of the main lever It has jointed to it aslide-rod, h3, and the outer end of the said lever and with it thesliderod may be moved into any one of six positions designated by thenumbers l 2 3 4. 5 6.

-Referring to Fig. 8, the main lever in full lines is shown at stationl, and the crankpins of all the Wheels d c f' are at the left of thestud A.

To place the lever h with its end at station 2, as in Fig. 4. it is onlynecessary to partially rotate the wheel d and move the elhowlever 8cdi'iuto the position shown in the diagram,

4L, and as in full lines, Fig. 1.

To place the end of the lever at station 3, as in the diagram Fig. 5,the Wheel e will be turned partially from its position, Fig. 4., to

place its crank-pin at the right of the stud A', and the wheel d will beturned to place its stud at the left of the said stud, the other wheelsremaining as in Fig. 4.

To bring the end of the lever to'station 4 9c from the position shown inFig. 5, both Wheels l d e will he turned io place their crank-pins atthe right of the stud A", the wheel f having its cranlrpin le'tat theleft, as in Fig. 6.

To place the end of the lever i at station 5,

IOC

from station 3 to station 5, (see Figs. 5 and 7 it is only necessary topartially rotate the Wheelf and place its crank-pin at the rightliandside of the stud' A.

Assuming all the crank-pins of the Wheels to be at the left of the studA', as in Fig. 3, the end of the lever h then being at the station l,the end of the said lever may be immediately brought in one move tostation 6 by simultaneously turning all the wheels d e f and placingtheir crank-pins at the right of the stud A.

In the diagrams the connecting-rod f is shown by full lines, theconnectingrod e by a series of dots, and the connecting-rod d by aseries of dots and dashes.

Among other things for which the mechanical movement herein described isespecially applicable is the movement of shuttle-boxes in looms, or forthe movement of a lever or rod Which for any reason is at times to havea variable throw or stroke.l

We do not broadly claim a cross-piece supported at both ends andsupporting a longer lever having a link attached to it; nor do webroadly claim an elbow-lever and a link for one end of two levers.

We claimrlhree semi-rotating Wheels having crank pins, threeconnecting-rods, three levers of the rst order to which thay are joined,a link supported by each of the said levers, a cross-V piece connectedwith tWo of the said links and supporting a stud or fulcrum for the mainIever, combined With a main lever having its fulerum on thesaidcross-piece and j oined to one of the said cranks, wherebyby themovement

